Heart STL onesie
Meet the Heart STL onesie—the ultimate everyday essential for your little one. Crafted from super-soft cotton, this one-piece is gentle on baby’s skin, ensuring every moment is as cozy as can be.
The lap shoulder design combined with a three-snap closure makes diaper changes quick and easy, so you can spend less time fiddling and more time cuddling with your precious tiny human.
- Fabric: 100% combed ring-spun cotton in a 1x1 baby rib for the softest feel and a breathable, comfortable fit.
- Closure: Three-snap system for secure, effortless changes.
- Design: Lap shoulders to slip over little heads without any snag or irritation.
- Size range: Available in 6M, 12M, 18M, and 24M to grow with your baby.
Size Guide
- 6M: Body length 12.5 inches; Body width 8.75 inches
- 12M: Body length 13.5 inches; Body width 9.75 inches
- 18M: Body length 14.5 inches; Body width 10.75 inches
- 24M: Body length 15.5 inches; Body width 11.75 inches
Perfect for everyday wear, the Heart STL onesie blends comfort, practicality, and a touch of charm—a dependable favorite for busy families and tiny explorers alike.
| BODY LENGTH (inches) | BODY WIDTH (inches) | |
| 6M | 12 ½ | 8 ¾ |
| 12M | 13 ½ | 9 ¾ |
| 18M | 14 ½ | 10 ¾ |
| 24M | 15 ½ | 11 ¾ |